Home / 5,275.73-7,280.15-2,917.69

Finding the Fourth Proportional to 5,275.73, 7,280.15 and 2,917.69

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Solution

The fourth proportional to 5,275.73, 7,280.15 and 2,917.69 is: 4,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.73 : 7,280.15 = 2,917.69 : x
  2. Step 2: Convert to fraction form
    5,275.73/7,280.15 = 2,917.69/x
  3. Step 3: Cross multiply
    5,275.73x = 7,280.15 × 2,917.69
  4. Step 4: Simplify right side
    5,275.73x = 21,241,188.06
  5. Step 5: Solve for x
    x = 21,241,188.06/5,275.73
  6. Step 6: Final answer
    x = 4,026.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.